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2 | pj | 1 | /* |
2 | * Project: S.Ha.R.K. |
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3 | * |
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4 | * Coordinators: |
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5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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6 | * Paolo Gai <pj@gandalf.sssup.it> |
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7 | * |
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8 | * Authors : |
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9 | * Paolo Gai <pj@gandalf.sssup.it> |
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10 | * Massimiliano Giorgi <massy@gandalf.sssup.it> |
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11 | * Luca Abeni <luca@gandalf.sssup.it> |
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12 | * (see the web pages for full authors list) |
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13 | * |
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14 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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15 | * |
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16 | * http://www.sssup.it |
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17 | * http://retis.sssup.it |
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18 | * http://shark.sssup.it |
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19 | */ |
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20 | |||
21 | |||
22 | /* |
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23 | * Copyright (C) 1999 Massimiliano Giorgi |
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24 | * |
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25 | * This program is free software; you can redistribute it and/or modify |
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26 | * it under the terms of the GNU General Public License as published by |
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27 | * the Free Software Foundation; either version 2 of the License, or |
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28 | * (at your option) any later version. |
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29 | * |
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30 | * This program is distributed in the hope that it will be useful, |
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31 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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32 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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33 | * GNU General Public License for more details. |
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34 | * |
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35 | * You should have received a copy of the GNU General Public License |
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36 | * along with this program; if not, write to the Free Software |
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37 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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38 | * |
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39 | */ |
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40 | |||
41 | /* |
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80 | pj | 42 | * CVS : $Id: bdevinit.h,v 1.2 2003-03-13 13:37:58 pj Exp $ |
2 | pj | 43 | * |
44 | * File: $File$ |
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80 | pj | 45 | * Revision: $Revision: 1.2 $ |
46 | * Last update: $Date: 2003-03-13 13:37:58 $ |
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2 | pj | 47 | */ |
48 | |||
49 | #ifndef _HARTIK_BDEVINIT_H |
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50 | #define _HARTIK_BDEVINIT_H |
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51 | |||
52 | #include <kernel/model.h> |
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53 | |||
54 | #include <fs/types.h> |
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55 | #include <fs/const.h> |
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56 | #include <fs/bdevconf.h> |
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80 | pj | 57 | #include "ll/sys/cdefs.h" |
2 | pj | 58 | |
80 | pj | 59 | __BEGIN_DECLS |
60 | |||
2 | pj | 61 | /* prolog */ |
62 | #define BASE_BDEV_START 0 |
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63 | |||
64 | /* |
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65 | * IDE |
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66 | */ |
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67 | |||
68 | #ifdef IDE_BLOCK_DEVICE |
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69 | |||
70 | typedef struct ide_parms { |
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71 | void *parm_initserver; |
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72 | } IDE_PARMS; |
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73 | |||
74 | #define IDEPARMS(ptr) ((ptr)->ideparms) |
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75 | |||
76 | #define BASE_BDEV_IDE BASE_BDEV_START,{NULL} |
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77 | |||
78 | /* |
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79 | typedef struct ide_parms { |
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80 | __uint8_t pclass; |
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81 | __uint32_t dline; |
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82 | __uint32_t wcet; |
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83 | } IDE_PARMS; |
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84 | |||
85 | #define BASE_IDE {DEFAULT,DEFAULT,DEFAULT} |
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86 | |||
87 | #define ide_def_task(s,p,d,w) {(s).pclass=(p); (s).dline=(d); (s).wcet=(w);} |
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88 | */ |
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89 | |||
90 | #else |
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91 | |||
92 | #define BASE_BDEV_IDE BASE_BDEV_START |
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93 | |||
94 | #endif |
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95 | |||
96 | /* |
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97 | * LOOP |
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98 | */ |
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99 | |||
100 | #ifdef LOOP_BLOCK_DEVICE |
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101 | |||
102 | typedef struct loop_parms { |
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103 | int dummy; |
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104 | } LOOP_PARMS; |
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105 | |||
106 | #define BASE_BDEV_LOOP BASE_BDEV_IDE,{0} |
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107 | |||
108 | #else |
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109 | |||
110 | #define BASE_BDEV_LOOP BASE_BDEV_IDE |
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111 | |||
112 | #endif |
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113 | |||
114 | /* epilog */ |
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115 | #define BASE_BDEV_OPTIONAL BASE_BDEV_LOOP |
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116 | |||
117 | /* |
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118 | * block device params structure |
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119 | */ |
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120 | |||
121 | extern NPP_mutexattr_t bdevdef_mutexattr; |
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122 | |||
123 | typedef struct bdev_parms { |
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124 | __uint32_t showinfo:1; |
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125 | char *config; |
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126 | void *bmutexattr; |
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127 | |||
128 | __uint16_t dummy; |
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129 | |||
130 | #ifdef IDE_BLOCK_DEVICE |
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131 | IDE_PARMS ideparms; |
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132 | #endif |
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133 | |||
134 | #ifdef LOOP_BLOCK_DEVICE |
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135 | LOOP_PARMS loopparms; |
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136 | #endif |
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137 | |||
138 | } BDEV_PARMS; |
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139 | |||
140 | #define bdev_def_showinfo(s,v) ((s).showinfo=(v)&1) |
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141 | #define bdev_def_configstring(s,v) ((s).config=(v)) |
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142 | #define bdev_def_mutexattrptr(s,v) ((s).bmutexattr=(v)) |
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143 | |||
144 | #define BASE_BDEV {0,NULL,(void*)&bdevdef_mutexattr,BASE_BDEV_OPTIONAL} |
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145 | |||
146 | /**/ |
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147 | |||
148 | int bdev_init(BDEV_PARMS *); |
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149 | |||
150 | #ifdef IDE_BLOCK_DEVICE |
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151 | int ide_init(BDEV_PARMS *); |
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152 | #ifndef NDEBUG |
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153 | void ide_dump_status(void); |
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154 | #endif |
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155 | #endif |
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156 | |||
157 | #ifdef LOOP_BLOCK_DEVICE |
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158 | int loop_init(BDEV_PARMS *); |
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159 | #ifndef NDEBUG |
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160 | void loop_dump_status(void); |
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161 | #endif |
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162 | #endif |
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163 | |||
164 | /*+ find a device using its name +*/ |
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165 | __dev_t bdev_find_byname(char *name); |
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166 | |||
167 | /*+ find a device using its filesystem indicator +*/ |
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168 | __dev_t bdev_find_byfs(__uint8_t fsind); |
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169 | |||
170 | /*+ scan all devices present +*/ |
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171 | int bdev_scan_devices(int(*callback)(__dev_t,__uint8_t)); |
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172 | |||
80 | pj | 173 | __END_DECLS |
2 | pj | 174 | #endif |